Clean air policies having unintended impact driving up wetland methane emissions by up to 34 million tons

Reducing sulphur in the air may inadvertently increase natural emissions of methane from wetlands such as peatlands and swamps, a new study has found. The resulting additional future release of 20-34 million tons of methane each year from natural wetlands would mean targets to reduce human-caused emissions need to be more stringent than currently set out in the Global Methane Pledge.

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